How to grow and care for Helianthus angustifolius L.
plant care guide about watering, fertilizing, trimming, repotting, cutting, propagating Helianthus angustifolius L., Narrow-leaved Sunflower, Sunflower
Helianthus angustifolius L. 101 - Plant Care Instructions
Bright indirect light
16C° ~24C°
Every 7 days
Botany Encyclopedia
Family : Asteraceae
🏝️ Habitat Conditions
This plant used to grow on every continent and in all climates, except Antarctica.
🌺 Flower
The central and surrounding flowers bloom closely together, creating the appearance of a single flower that resembles a head shape. This type of flower arrangement is called a capitulum.
water
How to water Helianthus angustifolius L.
How often should I water?
check Helianthus angustifolius L. Every 7 days if it needs water when it’s very cold (below 5℃), water less frequently
When do I need to water?
the top 2-3 inches of soil is dry
When is the Dormant period?
it goes into dormancy in the Winter. during the period, 1.5~2x the watering interval you use in the warm season.
Light & Location
How much light does a Helianthus angustifolius L. need?
Bright indirect light
Grow light
Light preference
Helianthus angustifolius L. likes Bright indirect light, Grow light day. The brighter the space, the better this plant grows.
Check if there’s an optimal place in your house!
This plant prefers
2K ~ 10K lux to thrive!
0
20K~
2K
10K
Temperature
Natural habitat
-22
-22~35℃
45
Houseplants
-15
16~24℃
45
Plants that grow in the wild and those that grow indoors prefer different temperatures. If you grow Helianthus angustifolius L. at home, make sure the temperature is 16~24℃.
Humidity
Ideal humidity
0
40~70%
100
Helianthus angustifolius L. prefers humidity about 40~70%. If necessary, increase humidity by misting, humidifier.
Fertilize
Collective Knowhow
When should I fertilize?
Only when your plant is healthy
How frequently should I fertilize?
1-2 times in growing season. A pinch for a small pot.
Characteristic
The taxonomic classification of Helianthus angustifolius L. is as follows. - Kingdom: Plantae, Phylum: Tracheophyta, Class: Magnoliopsida, Order: Asterales, Family: Asteraceae, Genus: Helianthus, Species: Helianthus angustifolius
| Characteristic Name | Characteristic Value |
|---|---|
| Lifespan | Perennial |
| Hardiness Zone | 4 - 9 |
| Taxonomy Name | Taxonomy Value |
|---|---|
| Phylum | Tracheophyta |
| Class | Magnoliopsida |
| Order | Asterales |
| Family | Asteraceae |
| Genus | Helianthus |
| Species | Helianthus angustifolius |
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